Engine intake manifold
By designing the Y-shaped structure of the engine intake manifold, the problem of unbalanced pressure and intake volume caused by parallel connection of the air outlet is solved, a more balanced intake air supply is achieved, and the working efficiency of the engine is improved.
Patent Information
- Application Number
- CN202422128251.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-30
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-08-30
AI Technical Summary
In the existing engine intake manifold, the air outlet is connected in parallel to the flow guide, resulting in uneven pressure and intake amount of multiple air outlets, which affects the operation of the engine.
An engine intake manifold is designed, wherein the intake part, the first air outlet part and the second air outlet part extend in three different directions to form a Y-shaped structure, and the flow guide part is located at the intersection of the three components to ensure that the first air outlet part and the second air outlet part are supplied simultaneously, and the intake pressure and intake amount are more balanced.
Through this design, the synchronous air supply between the first and second air outlets is achieved, and the intake pressure and intake amount are more balanced, which improves the working efficiency of the engine.
Smart Images
Figure CN222976934U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to an engine intake manifold, belonging to the technical field of engine components. Background Art
[0002] The intake manifold is an important component of the engine, mainly used to connect the air filter and the cylinder chamber of the engine, and is a gas supply component of the engine. The intake manifold mainly includes a diversion part, an intake part connected to the diversion part, and no less than two outlet parts. At present, most of the outlet parts are connected in parallel to the diversion part, resulting in uneven pressure and intake air volume of multiple outlet parts, affecting the operation of the engine. Content of the Utility Model
[0003] The utility model provides an engine intake manifold to solve the problem that most of the current outlet parts are connected in parallel to the diversion part, resulting in uneven pressure and intake air volume of multiple outlet parts, affecting the operation of the engine.
[0004] The utility model relates to an engine intake manifold, including a diversion part, an intake part communicating with the diversion part, a first outlet part, and a second outlet part. The intake part extends along a first direction, the first outlet part extends along a second direction, the second outlet part extends along a third direction, the first direction, the second direction, and the third direction are in a Y shape, and the diversion part is at the intersection of the intake part, the first outlet part, and the second outlet part.
[0005] As a preference, a sealing ring groove is arranged on the outer periphery of the intake part, and an end limiting ring platform is arranged on the outer periphery of the intake part close to the diversion part on one side of the sealing ring groove. The setting of the sealing ring groove facilitates the installation of the sealing ring, and the setting of the end limiting ring platform facilitates the limitation of the end of the intake pipe.
[0006] As a preference, a positioning convex block is arranged on the outer periphery of the intake part close to the diversion part on one side of the end limiting ring platform. It is convenient to cooperate with the positioning socket on the outlet pipe of the air filter to position the position of the outlet pipe and prevent the outlet pipe from rotating.
[0007] As a preference, a sensor mounting hole is arranged on the diversion part, the inner port of the sensor mounting hole is at the intersection of the first outlet part and the second outlet part, and the sensor is a pressure sensor, which is convenient to accurately detect the pressure of the diversion part.
[0008] As a preference, a mounting rib platform one is arranged on the outer side wall of the diversion part, the sensor mounting hole is arranged on the mounting rib platform one, and a sensor fixing hole is arranged on the mounting rib platform one, which is convenient to install and fix the sensor.
[0009] As a preference, the end of the air outlet of the first air outlet part and the second air outlet part is provided with a connecting flange. The connecting flange is provided with a sealing groove and a second connecting hole. The arrangement of the connecting flange and the connecting hole can facilitate the connection of the intake manifold to the engine. The side wall of the air outlet of the first air outlet part and the second air outlet part is provided with an injector mounting hole.
[0010] As a preference, a plurality of pressing ribs are arranged on the inner side wall of the sealing groove to facilitate pressing the sealing ring in the sealing groove.
[0011] As a preference, a second mounting rib platform is fixed on the side wall of the air outlet of the first air outlet part and the second air outlet part. The injector mounting hole is arranged on the second mounting rib platform. The second mounting rib platform is provided with an injector fixing hole to facilitate the installation and fixation of the injector.
[0012] As a preference, an avoidance concave platform is arranged at the second connecting hole on the outer side of one end of the connecting flange, which can avoid the components on the engine and facilitate the installation of the intake manifold.
[0013] The utility model has the following beneficial effects:
[0014] The intake part, the first air outlet part and the second air outlet part extend along three different directions, and the three directions are in a Y shape. The diversion part is at the intersection of the intake part, the first air outlet part and the second air outlet part. In this way, the first air outlet part and the second air outlet part can supply air synchronously, and the intake pressure and intake air volume are more balanced. Description of the Drawings
[0015] Figure 1 is the three-dimensional structure schematic diagram of the utility model Figure 1 ;
[0016] Figure 2 is the three-dimensional structure schematic diagram of the utility model Figure 2 ;
[0017] Figure 3 is the three-dimensional structure schematic diagram of the utility model Figure 3 ;
[0018] Figure 4 is Figure 1 the partial structure schematic diagram of
[0019] In the figure: 1. Diversion part, 2. First air outlet part, 3. First mounting rib platform, 4. Second air outlet part, 5. Positioning convex block, 6. Intake part, 7. Sealing ring groove, 8. End limiting ring platform, 9. Avoidance concave platform, 10. Injector mounting hole, 11. Pressing rib, 12. Sealing groove, 13. Connecting hole, 14. Connecting flange, 15. Sensor fixing hole, 16. Injector fixing hole, 17. Second mounting rib platform, 18. Sensor mounting hole. Detailed Implementation Modes
[0020] The present utility model will be further described below in conjunction with embodiments.
[0021] Embodiment 1, as Figures 1 to 4 shown, the present utility model is an engine intake manifold, which includes a diversion part 1, an intake part 6 communicating with the diversion part 1, a first air outlet part 2 and a second air outlet part 4. The intake part 6 extends along a first direction, the first air outlet part 2 extends along a second direction, and the second air outlet part 4 extends along a third direction. The first direction, the second direction and the third direction are in a Y shape. The diversion part 1 is at the intersection of the intake part 6, the first air outlet part 2 and the second air outlet part 4. As Figure 1 shown, the intake part is arranged at the bottom of the diversion part 1, and the first air outlet part 2 and the second air outlet part 4 are respectively arranged on the left and right sides of the diversion part, thus realizing bottom surface air intake.
[0022] During installation, the intake part 6 is connected to the outlet pipe of the air filter, and the first air outlet part 2 and the second air outlet part 4 are respectively connected to the intake ports of two cylinder chambers of the engine. During operation, the air filtered by the air filter passes through the outlet pipe and then enters the intake part 6, and then enters the first air outlet part 2 and the second air outlet part 4 synchronously after being diverted by the diversion part 1, and then enters the engine.
[0023] Embodiment 2, on the basis of Embodiment 1, a sealing ring groove 7 is provided on the outer periphery of the intake part 6, and an end limiting ring platform 8 is provided on the outer periphery of the intake part 6 close to the diversion part 1 on the side of the sealing ring groove 7.
[0024] A positioning convex block 5 is provided on the outer periphery of the intake part 6 close to the diversion part 1 on the side of the end limiting ring platform 8. The positioning convex block 5 cooperates with the limiting card slot at the end of the outlet pipe of the air filter.
[0025] A sensor mounting hole 18 is provided on the diversion part 1, and the inner port of the sensor mounting hole 18 is at the intersection of the first air outlet part 2 and the second air outlet part 4. A pressure sensor is installed in the sensor mounting hole 18, and the sensor mounting hole 18 is obliquely arranged.
[0026] An installation rib platform 1 is provided on the outer side wall of the diversion part 1, the sensor mounting hole 18 is arranged on the installation rib platform 1, and a sensor fixing hole 15 is provided on the installation rib platform 1.
[0027] Connection flanges 14 are provided at the ends of the air outlet ends of the first air outlet part 2 and the second air outlet part 4. Sealing grooves 12 and connection holes 13 are provided on the connection flanges 14, and fuel injector mounting holes 10 are provided on the side walls of the air outlet ends of the first air outlet part 2 and the second air outlet part 4.
[0028] A plurality of pressing convex ribs 11 are provided on the inner side wall of the sealing groove 12.
[0029] On the side wall of the air outlet ends of the first air outlet part 2 and the second air outlet part 4, there is a second mounting rib platform 17 fixed. The fuel injector mounting hole 10 is arranged on the second mounting rib platform 17, and there is a fuel injector fixing hole 16 on the second mounting rib platform 17.
[0030] At the connection hole 13 on the outer side of one end of the connecting flange 14, there is an avoidance concave platform 9.
[0031] In addition, it should be understood that although this specification is described according to the embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
[0032] In the description of the present invention, the orientation or positional relationship indicated by the terms "inner", "outer", "longitudinal", "transverse", "upper", "lower", "top", "bottom", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention rather than requiring the present invention to be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention.
Claims
1. An engine intake manifold, comprising a guide portion (1), an intake portion (6) connected to the guide portion (1), a first outlet portion (2) and a second outlet portion (4), characterized in that: The air inlet (6) extends along a first direction, the first air outlet (2) extends along a second direction, and the second air outlet (4) extends along a third direction; the first direction, the second direction and the third direction are Y-shaped; the air guide (1) is located at the intersection of the air inlet (6), the first air outlet (2) and the second air outlet (4); a sealing ring groove (7) is provided on the outer periphery of the air inlet (6); an end stop ring platform (8) is provided on the outer periphery of the air inlet (6) on the side of the sealing ring groove (7) close to the air guide (1); and a positioning protrusion (5) is provided on the outer periphery of the air inlet (6) on the side of the end stop ring platform (8) close to the air guide (1).
2. An engine intake manifold according to claim 1, characterized in that: A sensor mounting hole (18) is provided on the flow guide portion (1), and an inner port of the sensor mounting hole (18) is located at the intersection of the first air outlet portion (2) and the second air outlet portion (4).
3. An engine intake manifold according to claim 2, characterized in that: A mounting rib platform (3) is provided on the outer side wall of the guide portion (1), a sensor mounting hole (18) is arranged on the mounting rib platform (3), and a sensor fixing hole (15) is provided on the mounting rib platform (3).
4. The engine intake manifold according to claim 1, characterized in that: The ends of the air outlet ends of the first air outlet portion (2) and the second air outlet portion (4) are provided with connecting flanges (14), the connecting flanges (14) are provided with sealing grooves (12) and connecting holes (13), and the side walls of the air outlet ends of the first air outlet portion (2) and the second air outlet portion (4) are provided with fuel injection nozzle mounting holes (10).
5. An engine intake manifold according to claim 4, characterized in that: A plurality of pressing convex ribs (11) are provided on the inner side wall of the sealing groove (12).
6. An engine intake manifold according to claim 4, characterized in that: A second mounting rib (17) is fixed on the side walls of the outlet ends of the first outlet portion (2) and the second outlet portion (4), the fuel injection nozzle mounting hole (10) is arranged on the second mounting rib (17), and the fuel injection nozzle fixing hole (16) is arranged on the second mounting rib (17).
7. An engine intake manifold according to claim 4, characterized in that: An avoidance recess (9) is provided at the outer connecting hole (13) at one end of the connecting flange (14).